These include political, religious and service clubs, as well as groups for activities like singing,dancing,cooking, even learning how to juggle.

VOA: special.2009.08.07

Then it does something else that's even closer to dancing and you reward it.

之后，等他的动作更像是跳舞的时候,你再奖励它。

耶鲁公开课 - 心理学导论课程节选